H. Y. Chan, Y. Rukayadi, E. M. Azman, R. Ashari, and S. A. H. Lim, “Physicochemical Properties and Sensory Acceptability of Fermented Roasted Robusta Coffee (Coffea canephora L.) Beans”, J. Eng. Technol. Sci., vol. 56, no. 3, pp. 389–403, Jun. 2024.